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New Construction – New Homes for Sale Long Island

Welcome to 7 Jackson Street — a beautifully crafted, 3-bedroom, 2.5-bath colonial built in 2020. The gourmet kitchen comes with radiant heated floors, stone countertops, spacious island, dry bar and pantry. The expansive primary suite features walk-in closet and ensuite with radiant heated floors. The house has central AC and hydronic heat for year round comfort. A full basement has 9-foot ceilings, a separate entrance and lots of storage. The backyard features a deck off the kitchen and an in-ground saltwater pool for summer relaxation and entertaining. The house comes equipped with security system for peace of mind. All information is deemed accurate and should be verified. $1,100,000 Active

7 Jackson Street Nesconset, New York

3 Beds 3 Baths 2,543 SqFt 0.23 Acres

New Construction | Water Mill SouthJust completed by boutique custom builder Heartwood Corp, this 7-bedroom, 9-bathroom, 9,600-square-foot Water Mill South estate showcases signature craftsmanship and refined detail. Positioned on prestigious Cobb Road behind a motorized gate and enveloped by mature, professionally designed landscaping, the property offers a private retreat moments from Flying Point Beach and Southampton Village.A soaring two-story foyer introduces the open, light-filled layout, highlighted by architectural floor-to-ceiling millwork on a double-sided gas fireplace shared with the living room. The dining area flows into a fully outfitted butler’s pantry with sink, ice maker, wine refrigerator, and walk-in pantry.The chef’s kitchen blends elegance and performance with custom white oak and painted cabinetry, integrated luxury appliances, and a hybrid waterfall island ideal for entertaining.The first-floor junior suite features a private patio, two walk-in closets, and a large spa-inspired bath with double vanity and privacy-glass shower enclosure that welcomes natural light. The living room, kitchen, foyer, and junior suite all overlook the landscaped grounds and pool, creating seamless indoor-outdoor living. A mudroom with garage access and a powder room complete the main level.Upstairs, the primary suite is a tranquil sanctuary offering two walk-in closets, a luxurious bath with soaking tub, separate vanities, makeup station, and privacy-glass shower and water closet, plus a dedicated office and serene views. Four additional ensuite bedrooms, a bonus room, and a custom-outfitted laundry room complete the second floor.The lower level is designed for recreation, featuring a glass-enclosed wine cellar, den with wet bar and wine cooler, flexible gym/media/game space with exterior access, a private sauna with Bluetooth controls, a full bath with steam shower, powder room, and two guest or staff bedrooms.Outdoors, resort-style amenities include a heated saltwater Gunite pool with integrated spa and sundeck, outdoor shower, stainless-steel kitchen and bar, and a dedicated outdoor powder room for poolside convenience. Expansive patios and lush landscaping set the atmosphere for effortless summer living.With Wi-Fi–enabled smart-home capabilities, custom cabinetry, tailored closet systems, central vacuum, laundry on two levels, and a radiant-heated two-car garage, 158 Cobb Road embodies timeless sophistication, abundant natural light, and modern Hamptons craftsmanship. $10,500,000 Active

158 Cobb Road Water Mill, New York

7 Beds 9 Baths 9,600 SqFt 0.53 Acres

Why settle for someone else’s dream when you can build your own? Welcome to this brand-new TO BE BUILT colonial-style home designed with today’s lifestyle in mind. Set on a deep 15,840 sqft lot, this to-be-built beauty will offer over 2,400 square feet of fresh, functional living space and the kind of craftsmanship and energy efficiency only new construction can deliver. Inside, you’ll find four bedrooms, including a spacious primary suite with a walk-in closet and private bath, plus two additional full bathrooms—plenty of space for guests, or a growing household. The open-concept kitchen will shine with granite countertops, stainless steel appliances, and flows right into the formal dining room for easy entertaining. This home will be built with Energy Star-rated systems, a separate hot-water storage tank, and high-quality materials throughout. You’ll also get a full basement with customization potential and a scenic south-facing backyard that’s perfect for relaxing or creating your own outdoor retreat. Located in the Smithtown School District and close to parks, shopping, and transportation—it checks every box for modern living. Please Note: Construction-related fees are subject to change and may include: • Water Tap ($5,800) • Utilities ($1,100) • Gas (free, where applicable) • Survey ($1,800) • Transfer Tax (standard) All prices, plans, tax estimates, and utility options are subject to change based on market conditions and site selection. Taxes are estimated by the Smithtown Assessor. See attachments for full specifications. Now’s the time to secure your future in a brand-new, energy-efficient home in a prime Long Island location. $1,099,000 Active

120 4th Street Saint James, New York

4 Beds 3 Baths 2,416 SqFt 0.36 Acres

There are several neighborhoods featuring new homes for sale on Long Island, from gated luxury communities to sprawling developments with waterfront homes.

Search New Construction on Long Island by Community

The newest neighborhoods on Long Island are still under construction. You can explore homes for sale in each neighborhood by clicking on the links above.

  • Bishops Pond Southampton
  • Country Pointe by Huntington
  • Country Pointe Estates at Ridge
  • Country Woods at Colony Preserve
  • The Dunes at Westhampton Beach
  • The Highlands Club
  • Manors at Colony Preserve
  • The Ranches at Eastport
  • Stoneleigh Woods at Riverhead
  • Village Latch
  • Villas at Meadowbrook Pointe
  • Vineyards at Blue Point
  • Vineyards at Moriches II
  • Wildwood

Search for Other Popular Long Island Homes for Sale

  • Waterfront homes for sale on Long Island
  • Active Adult/55+ homes for sale on Long Island
  • Condos for sale on Long Island
  • Equestrian properties for sale on Long Island
  • Homes for sale in gated communities on Long Island
  • Golf course homes for sale on Long Island

Search New Construction on Long Island by Price

If you already know your budget, you can use these links to find your new home on Long Island.

  • New homes for sale on Long Island between $500,000 and $600,000
  • New homes for sale on Long Island between $600,000 and $700,000
  • New homes for sale on Long Island between $700,000 and $800,000
  • New homes for sale on Long Island between $800,000 and $900,000
  • New homes for sale on Long Island between $900,000 and $1,000,000
  • New homes for sale on Long Island over $1,000,000

Find New Construction on Long Island With a Pro Today

When you’re ready to find your dream house among the new homes for sale on Long Island, we’re here for you. Call us at 516-692-6636 or contact us online to tell us what you’re looking for; we’ll help you find it.

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